/* ==========================================
   Font Imports — Instrument Serif + DM Mono
   ========================================== */
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif&family=DM+Mono:wght@300;400;500&family=Inter:wght@300;400;500;600&display=swap');

/* ==========================================
   Design System — Electric Blue / EE Theme
   ========================================== */
:root {
    /* Core palette */
    --bg-deep: #080B14;
    --bg-surface: #0D1117;
    --bg-card: #131921;
    --bg-card-hover: #1A2233;
    --bg-elevated: #1C2436;

    /* Accent — electric cyan + blue */
    --accent: #00BFFF;
    --accent-dim: #0088B3;
    --accent-glow: rgba(0, 191, 255, 0.15);
    --accent-subtle: rgba(0, 191, 255, 0.06);
    --accent-secondary: #3B82F6;
    --accent-warm: #38BDF8;

    /* Text */
    --text-primary: #E2E8F0;
    --text-secondary: #8492A6;
    --text-tertiary: #4A5568;
    --text-accent: #00BFFF;

    /* Borders */
    --border: rgba(0, 191, 255, 0.08);
    --border-hover: rgba(0, 191, 255, 0.2);
    --border-strong: rgba(0, 191, 255, 0.35);

    /* Traces / grid background */
    --trace: rgba(0, 191, 255, 0.04);
    --trace-bright: rgba(0, 191, 255, 0.08);
    --trace-node: rgba(0, 191, 255, 0.12);

    /* Typography */
    --font-display: 'Instrument Serif', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'DM Mono', 'Courier New', monospace;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Misc */
    --transition-speed: 0.3s;
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 8px;
}

/* ==========================================
   Reset & Base Styles
   ========================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background: var(--bg-deep);
    line-height: 1.6;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition-speed); }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

/* ==========================================
   Navigation — Minimal, monospace
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(8, 11, 20, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transition: all var(--transition-speed);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    text-decoration: none;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--text-primary);
    letter-spacing: 0.02em;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 300;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 0.4rem 0;
    transition: color var(--transition-speed);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width var(--transition-speed);
}

.nav-link:hover {
    color: var(--accent);
}

.nav-link:hover::after {
    width: 100%;
}

/* Mobile nav toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-xs);
    z-index: 1001;
}

.hamburger {
    width: 22px;
    height: 2px;
    background: var(--text-secondary);
    transition: all var(--transition-speed);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-surface);
        flex-direction: column;
        justify-content: center;
        gap: 1.5rem;
        padding: 2rem;
        border-left: 1px solid var(--border);
        transition: right 0.4s ease;
    }
    .nav-menu.active {
        right: 0;
    }
    .nav-link {
        font-size: 0.85rem;
    }
}

/* ==========================================
   Hero Section — Redesigned
   ========================================== */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: 0 5vw;
    position: relative;
    overflow: hidden;
    margin-top: 0;
}

/* Background circuit-trace grid */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--trace) 1px, transparent 1px),
        linear-gradient(90deg, var(--trace) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 30% 50%, black 0%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 30% 50%, black 0%, transparent 100%);
}

/* Subtle cyan glow in the background */
.hero::after {
    content: '';
    position: absolute;
    top: 20%;
    left: -10%;
    width: 50%;
    height: 60%;
    background: radial-gradient(ellipse, rgba(0, 191, 255, 0.04) 0%, transparent 70%);
    pointer-events: none;
}

/* Circuit trace decoration */
.hero .trace-lines {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}
.hero .trace-lines svg {
    position: absolute;
    width: 100%;
    height: 100%;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding-right: 4vw;
    max-width: none;
    text-align: left;
}

/* Tag above name */
.hero-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 300;
    color: var(--accent-dim);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    opacity: 0;
    animation: fadeSlideUp 0.8s ease 0.3s forwards;
}
.hero-tag::before {
    content: '';
    display: inline-block;
    width: 32px;
    height: 1px;
    background: var(--accent-dim);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 5.5vw, 5.5rem);
    font-weight: 400;
    line-height: 1.05;
    color: var(--text-primary);
    margin-bottom: 1.75rem;
    opacity: 0;
    animation: fadeSlideUp 0.8s ease 0.5s forwards;
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
    text-shadow: none;
    letter-spacing: normal;
    text-transform: none;
}
.hero-title .highlight {
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
    animation: none;
    font-style: italic;
    color: var(--accent);
}

.hero-subtitle {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 300;
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 480px;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeSlideUp 0.8s ease 0.7s forwards;
}

.hero-description {
    display: none; /* Folded into subtitle */
}

/* Accent divider line */
.hero-divider {
    width: 64px;
    height: 1px;
    background: linear-gradient(90deg, var(--accent), transparent);
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeSlideUp 0.8s ease 0.85s forwards;
}

/* CTA buttons */
.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
    opacity: 0;
    animation: fadeSlideUp 0.8s ease 0.9s forwards;
}

/* Social links */
.social-links {
    display: flex;
    gap: 1.5rem;
    opacity: 0;
    animation: fadeSlideUp 0.8s ease 1s forwards;
}
.social-links a {
    color: var(--text-tertiary);
    font-size: 1.1rem;
    transition: all var(--transition-speed);
}
.social-links a:hover {
    color: var(--accent);
    transform: translateY(-2px);
}

/* Right side: Status card */
.hero-status {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.status-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    font-family: var(--font-mono);
    position: relative;
    opacity: 0;
    animation: fadeSlideUp 0.8s ease 0.6s forwards;
}
.status-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    background: linear-gradient(135deg, rgba(0,191,255,0.12), transparent 40%, transparent 60%, rgba(0,191,255,0.06));
    pointer-events: none;
    z-index: -1;
}

.status-header {
    font-size: 0.65rem;
    font-weight: 300;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}
.status-header span { color: var(--accent-dim); }

.status-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.55rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.02);
}
.status-row:last-child { border-bottom: none; }

.status-key {
    font-size: 0.7rem;
    font-weight: 300;
    color: var(--text-tertiary);
    letter-spacing: 0.05em;
}
.status-val {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-secondary);
    text-align: right;
}
.status-val.accent { color: var(--accent); }

.status-pulse {
    display: inline-block;
    width: 6px;
    height: 6px;
    background: #34D399;
    border-radius: 50%;
    margin-right: 0.5rem;
    animation: pulse 2s ease-in-out infinite;
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    animation: fadeSlideUp 0.8s ease 1.2s forwards;
}
.scroll-indicator a {
    color: var(--text-tertiary);
    font-size: 0.8rem;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes fadeSlideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}
@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 0.4; }
    50% { transform: translateY(6px); opacity: 0.8; }
}

/* Hero responsive */
@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        padding: 7rem 5vw 4rem;
        gap: 3rem;
    }
    .hero-content { padding-right: 0; }
    .hero-status { justify-content: flex-start; }
    .status-card { max-width: 100%; }
}
@media (max-width: 600px) {
    .hero-title { font-size: 2.5rem; }
    .hero-buttons { flex-direction: column; }
}

/* ==========================================
   Buttons — Redesigned
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.8rem 1.8rem;
    transition: all var(--transition-speed);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.btn::before { display: none; } /* Kill old sweep effect */

.btn-primary {
    color: var(--bg-deep);
    background: var(--accent);
    border: none;
    box-shadow: none;
}
.btn-primary:hover {
    background: var(--accent-warm);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(0, 191, 255, 0.25);
}

.btn-secondary {
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--text-tertiary);
}
.btn-secondary:hover {
    color: var(--accent);
    border-color: var(--accent);
}

/* ==========================================
   Section Titles — Redesigned
   ========================================== */
.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    text-align: center;
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
    text-shadow: none;
    letter-spacing: normal;
}
.section-title::after { display: none; }

.section-subtitle {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 300;
    color: var(--text-tertiary);
    text-align: center;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-lg);
}

/* ==========================================
   About Section
   ========================================== */
.about-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.about-text p {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 300;
    line-height: 1.85;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.about-buttons {
    display: flex;
    gap: 1rem;
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.about-image img {
    border: 1px solid var(--border);
    filter: grayscale(20%) contrast(1.05);
    transition: filter 0.5s ease;
}
.about-image img:hover {
    filter: grayscale(0%) contrast(1.1);
}

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    .about-image {
        order: -1;
        max-width: 300px;
        margin: 0 auto;
    }
}

/* ==========================================
   Timeline Section
   ========================================== */
.timeline-section {
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.timeline-cv-button {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, var(--accent-dim), var(--border), transparent);
}

.timeline-item {
    position: relative;
    margin-bottom: 2.5rem;
    padding-left: 2rem;
}

.timeline-dot {
    position: absolute;
    left: -40px;
    top: 6px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--bg-deep);
    border: 2px solid var(--accent-dim);
    box-shadow: 0 0 0 3px var(--bg-deep);
    z-index: 1;
}

.timeline-item:first-child .timeline-dot {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 12px rgba(0, 191, 255, 0.3), 0 0 0 3px var(--bg-surface);
}

.timeline-content {
    background: none;
    border: none;
    padding: 0;
    box-shadow: none;
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 300;
    color: var(--accent-dim);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
}

.timeline-content h3 {
    font-family: var(--font-body);
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
}

.timeline-institution {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-tertiary);
    margin-bottom: 0.5rem;
}

.timeline-description {
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 300;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==========================================
   Projects Section
   ========================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all 0.4s ease;
}
.project-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 191, 255, 0.08);
}

.project-image {
    position: relative;
    height: 180px;
    overflow: hidden;
    background: var(--bg-surface);
}
.project-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-tertiary);
    font-size: 2.5rem;
}
.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}
.project-card:hover .project-overlay {
    opacity: 1;
}
.project-link {
    color: var(--accent);
    font-size: 1.5rem;
    padding: 0.75rem;
    border: 1px solid var(--accent);
    border-radius: 50%;
    transition: all 0.3s;
}
.project-link:hover {
    background: var(--accent);
    color: var(--bg-deep);
}

.project-content {
    padding: 1.5rem;
}
.project-title {
    font-family: var(--font-body);
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
}
.project-description {
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 1rem;
}
.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.tech-tag {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 300;
    color: var(--accent-dim);
    padding: 0.3rem 0.7rem;
    border: 1px solid var(--border);
    letter-spacing: 0.05em;
}

.view-more-projects {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ==========================================
   Writing Section
   ========================================== */
.writing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.writing-placeholder {
    text-align: center;
    color: var(--text-tertiary);
    padding: var(--spacing-lg);
    grid-column: 1 / -1;
}

.writing-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2rem;
    transition: all 0.3s;
    text-decoration: none;
}
.writing-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 191, 255, 0.08);
}

.writing-date {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 300;
    color: var(--accent-dim);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.6rem;
}

.writing-title {
    font-family: var(--font-body);
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.6rem;
    line-height: 1.4;
}

.writing-excerpt {
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 1rem;
}

.writing-read-more {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--text-tertiary);
    letter-spacing: 0.05em;
    transition: color 0.3s;
}
.writing-read-more i {
    font-size: 0.6rem;
    margin-left: 0.3rem;
    transition: transform 0.3s;
}
.writing-card:hover .writing-read-more {
    color: var(--accent);
}
.writing-card:hover .writing-read-more i {
    transform: translateX(3px);
}

.view-more-writing {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ==========================================
   Skills Section
   ========================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

@media (max-width: 900px) {
    .skills-grid {
        grid-template-columns: 1fr;
    }
}

.skill-category {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2rem;
    transition: border-color 0.3s;
}
.skill-category:hover {
    border-color: var(--border-hover);
}

.category-title {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
}
.category-title i {
    color: var(--accent-dim);
    font-size: 0.85rem;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.skill-item {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 300;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.8rem;
    background: var(--bg-surface);
    border: 1px solid rgba(255,255,255,0.03);
    letter-spacing: 0.02em;
    transition: all 0.3s;
}
.skill-item:hover {
    border-color: var(--border-hover);
    color: var(--accent);
}
.skill-item i {
    color: var(--text-tertiary);
    font-size: 0.7rem;
}

/* ==========================================
   Lab Section
   ========================================== */
.lab-section {
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.lab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.lab-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2rem;
    transition: all 0.3s;
}
.lab-card:hover {
    border-color: var(--border-hover);
}

.lab-card h3 {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
}

.lab-card p {
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--text-secondary);
    line-height: 1.65;
}

.lab-equipment-list {
    margin-top: 1rem;
}
.lab-equipment-list li {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    padding: 0.3rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.02);
}

/* ==========================================
   Contact Section
   ========================================== */
.contact-info-centered {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: border-color 0.3s;
}
.contact-item:hover {
    border-color: var(--border-hover);
}
.contact-item i {
    color: var(--accent-dim);
    font-size: 1.2rem;
}
.contact-item h3 {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 300;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.25rem;
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
}
.contact-item p,
.contact-item a {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text-secondary);
}
.contact-item a:hover {
    color: var(--accent);
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    background: none;
}
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}
.footer-content p {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 300;
    color: var(--text-tertiary);
    letter-spacing: 0.05em;
}
.footer-social {
    display: flex;
    gap: 1.25rem;
}
.footer-social a {
    color: var(--text-tertiary);
    font-size: 1rem;
    transition: color 0.3s;
}
.footer-social a:hover {
    color: var(--accent);
}

/* ==========================================
   Back to Top Button
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.85rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 999;
    cursor: pointer;
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}
.back-to-top:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

/* ==========================================
   Scroll animations (intersection observer)
   ========================================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================
   Greeter animation
   ========================================== */
.hero-greeting {
    display: none;
}